<template>
  <div>
    <!-- 面包屑 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
        <el-row :gutter="20">
            <el-col :span="8">
                <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
                    <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                </el-input>
            </el-col>
            <el-col :span="4">
                <el-button type="primary" @click="goAddpage">添加商品</el-button>
            </el-col>
        </el-row>
        <el-table :data="goodsList" border stripe>
            <el-table-column type="index" label="#"></el-table-column>
            <el-table-column prop="goods_name" label="商品名称" width="700px"></el-table-column>
            <el-table-column prop="goods_price" label="商品价格(元)"></el-table-column>
            <el-table-column prop="goods_weight" label="商品重量"></el-table-column>
            <el-table-column prop="add_time" label="创建时间" >
                <template slot-scope="scope">
                    <!-- 使用过滤器 -->
                    {{scope.row.add_time | dataFormat}}
                </template>
            </el-table-column>
            <el-table-column label="操作">
                <template slot-scope="scope" >
                    <el-button size="mini" type="primary" icon="el-icon-edit" @click="handleEdit()"></el-button>
                    <el-button size="mini" type="danger" icon="el-icon-delete" @click="removeById(scope.row.goods_id)"></el-button>
                </template>
            </el-table-column>
        </el-table>
        <!-- 分页区域 -->
        <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="queryInfo.pagenum"
            :page-sizes="[5, 8, 15, 20]"
            :page-size="queryInfo.pagesize"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total">
        </el-pagination>
    </el-card>
  </div>
</template>

<script>
import {goodsList,deleteGoods} from '@/api'
export default {
    name:'List',
    data() {
        return {
            // 查询参数对象
            queryInfo:{
                query:'',
                pagenum: 1,
                pagesize: 8
            },
            // 总数据条数
            total:0,
            // 商品列表
            goodsList:[],

        }
    },
    created(){
        this.getGoodsList()
    },
    methods: {
        // 根据分页获取对应的商品列表
        getGoodsList(){
            goodsList({params:this.queryInfo}).then(({data:res})=>{
                // console.log(res);
                if(res.meta.status == 200){
                    this.goodsList = res.data.goods
                    this.total = res.data.total
                }else{this.$message.error('获取商品列表失败')}
            })
        },
          // 监听pagesize改变的事件
          handleSizeChange(newSize) {
            this.queryInfo.pagesize = newSize;
            this.getGoodsList()
        },
        // 监听页码值改变的事件
        handleCurrentChange(newPage) {
            this.queryInfo.pagenum = newPage;
            this.getGoodsList()
        },
        // 根据id删除商品数据
        removeById(goods_id){
            this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
            }).then(() => {
                deleteGoods(goods_id).then(({data:res})=>{
                    if(res.meta.status == 200){
                        this.$message({type: 'success',message: '删除商品成功!'});
                        this.getGoodsList()
                    }else{this.$message.error('删除商品失败')}
                })
                }).catch(() => {
                this.$message({
                    type: 'info',
                    message: '已取消删除'
                });          
            });
        },
        goAddpage(){
            this.$router.push('/goods/add')
        }
    },
    computed: {}
}
</script>

<style lang="less" scoped>

</style>